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May 29, 2014

Danica McKellar, best known as the girl next door Winnie Cooper from the hit show "The Wonder Years" celebrated a milestone birthday on January 3rd: her 40th. Since the show ended back in 1993, McKellar has had steady acting gigs, and even has some writing and directing credits to her name.

McKellar's birthday has us "wondering" about some of the other cast members. Keep clicking to take a then-and-now look at the show's actors (there are even a handful of now-famous people who you probably didn't know were in the show.)

Joe Cocker, who sang the show's theme song titled "With a Little Help From My Friends", died December 22, 2014.

Photo By Frederick M. Brown/Getty Images

Fred Savage starred as Kevin Arnold in 'The Wonder Years.' These days, he earns his paycheck as a director. His most notable works include 'Ugly Betty,' 'It's Always Sunny in Philadelphia' and 'Modern Family.'

Kevin hearts Winnie.

Photo By ABC Photo Archives/ABC Photo Archives/Getty Images

Dan Lauria played the high-strung, stressed out but loving father John "Jack" Arnold.

Photo By Angela Weiss/Getty

Dan Lauria is still in acting, with roles on 'Sullivan & Son' and 'The Good Wife.' He has a few projects that are in post-production.

Photo By ABC Photo Archives/ABC via Getty Images

Alley Mills played the loving mother Norma Arnold.

Photo By Earl Gibson III/WireImage/Getty Images

Alley Mills just wrapped up a long-running gig on 'The Bold and the Beautiful' and has one project in post-production.

Photo By ABC

Kevin's big brother Wayne (played by Jason Herney) was an artist with the word "butthead."

Photo By Frederick M. Brown/Getty Images

Jason Hervey serves in the producer role now for shows like 'See Dad Run' and 'Hardcore Pawn: Chicago.' We like to think he still gets creative with the word "butthead," but who knows?

Photo By ABC Photo Archives/ABC via Getty Images

Olivia d'Abo (top) played Kevin's sister Karen on 'The Wonder Years.'

Photo By Alberto E. Rodriguez/Getty Images

Olivia d'Abo has had a recurring role on 'Law & Order: Criminal Intent' and is currently filming a few projects.

Kevin Arnold and Winnie Cooper together again! The cast of The Wonder Years reunited this week to record for the release of "The Wonder Years: The Complete Series" DVD collection—and the result was epic!

Fred Savage (Kevin), Danica McKellar (Winnie), Jason Harvey (Wayne Arnold), Josh Saviano (Paul Pfeiffer), Olivia D'Abo (Karen Arnold), Dan Lauria (Jack Arnold), and Alley Mills (Norma Arnold) all joined together for sit-down interviews, a hilarious selfie and professional cast photos for the special event. In one nostalgic moment, the group sat down in an exact replica of the kitchen used in the late '80s and early '90s sitcom.

Saving the best for last, Savage also posted a heartwarming selfie of the cast, as he stood next to his former onscreen love. McKellar comes fresh off her Dancing With the Stars season 18 stint, where she finished in fifth place. Savage, for his part, has mainly stayed behind the camera since playing Kevin, directing shows like 2 Broke Girls, Happy Endings, and Modern Family. (His younger brother, actor Ben Savage, recently reunited with his own Boy Meets World cast for its Disney sequel, Girl Meets World.)

The Wonder Years aired from 1988 to 1993 and racked up several awards, including multiple Emmys, a Golden Globe, and a Peabody during its heyday. Last February, it was announced that a DVD box set of the critically-acclaimed show was finally in the works.

"The Wonder Years has long been the most requested TV show yet to be released on DVD, and we're thrilled to have the incredible opportunity to bring this iconic show to its many fans," StarVista Entertainment's senior VP Jeffrey Peisch said in a statement at the time (via The Wrap). "As we've done with many other classic TV shows, the series will be treated with the care and attention it fully deserves after all these years, with deluxe packaging, robust extras and a lot more. We're really big fans of the series, too."